<!--
  讲师列表
  ==表示判断值
  ===表示判断类型和值
 -->
<template>

  <div class="app-container">

    <!--  表单查询  -->
    <el-form :inline="true" class="demo-form-inline">

      <el-form-item>
        <el-input v-model="teacherQuery.name" placeholder="讲师名"/>
      </el-form-item>

      <el-form-item>
        <el-select v-model="teacherQuery.level" clearable placeholder="讲师头衔">
          <el-option :value="1" label="高级讲师"/>
          <el-option :value="2" label="首席讲师"/>
        </el-select>
      </el-form-item>

      <el-form-item label="添加时间">
        <el-date-picker
          v-model="teacherQuery.begin"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"/>
      </el-form-item>

      <el-form-item>
        <el-date-picker
          v-model="teacherQuery.end"
          type="datetime"
          placeholder="选择截止时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"/>
      </el-form-item>

      <el-button type="primary" icon="el-icon-search" @click="getList()">查询</el-button>
      <el-button type="primary" @click="resetData()">清空</el-button>
    </el-form>

    <!--  列表  -->
    <el-table
      :data="list"
      border
      fit
      highlight-current-row
    >

      <el-table-column label="序号" width="70" align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="name" label="名称" width="80"/>

      <el-table-column label="头衔" width="80">
        <template slot-scope="scope">
          {{ scope.row.level === 1 ? '高级讲师' : '首席讲师' }}
        </template>
      </el-table-column>

      <el-table-column prop="intro" label="资历"/>

      <el-table-column prop="gmtCreate" width="160" label="添加时间"/>

      <el-table-column prop="sort" label="排序" width="60"/>

      <el-table-column align="center" width="200" label="操作">
        <template slot-scope="scope">

          <router-link :to="'/teacher/edit/'+scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
          </router-link>

          <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">删除
          </el-button>
        </template>
      </el-table-column>

    </el-table>

    <!-- 分页 -->
    <el-pagination
      :current-page="page"
      :page-size="limit"
      :total="total"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="getList"
    />


  </div>

</template>

<script>
import teacher from "@/api/edu/teacher";

export default {
  data() {
    return {
      list: null, //查询之后接口返回集合
      page: 1, //当前页
      limit: 6, //每页记录数
      total: 0, //总记录数
      teacherQuery: {},//条件封装对象
    };
  },
  created() {//页面渲染之前执行，一般嗲用methods定义的方法
    this.getList();
  },
  methods: { //创建具体的方法，调用teacher.js定义的方法
    //讲师列表的方法
    getList(page = 1) {
      console.log(`当前页: ${page}`);
      this.page = page;
      teacher.getTeacherListPage(this.page, this.limit, this.teacherQuery).then(response => {
        this.list = response.data.rows;
        this.total = response.data.total;
        console.log(this.list);
        console.log(this.total);
      }).catch(error => {
        console.log(error);
      });
    },
    //清空
    resetData() {
      //清空表单项数据
      this.teacherQuery = {};
      //查询所有数据
      this.getList();
    },
    //删除
    removeDataById(id) {
      this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
        confirmButtonText:'确定',
        cancelButtonText:'取消',
        type:'warning'
      }).then(()=>{
        return teacher.removeById(id);
      }).then(()=>{
        this.getList();
        this.$message({
          type: 'success',
          message: '删除成功!'
        });
      })
    }
  },
};
</script>
<style lang='scss' scoped>

.el-table .warning-row {
  background: oldlace;
}

.el-table .success-row {
  background: #f0f9eb;
}

</style>
